CN216221508U - Specimen separation pincers in art - Google Patents
Specimen separation pincers in art Download PDFInfo
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- CN216221508U CN216221508U CN202023245432.9U CN202023245432U CN216221508U CN 216221508 U CN216221508 U CN 216221508U CN 202023245432 U CN202023245432 U CN 202023245432U CN 216221508 U CN216221508 U CN 216221508U
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- pliers jaw
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Abstract
The utility model discloses a pair of intraoperative specimen separating forceps, and belongs to the field of medical instruments. The method comprises the following steps: the body comprises a fixed clamp handle, a movable clamp handle, a working sleeve and a traction piece, wherein the traction piece is positioned in the working sleeve and is connected with the movable clamp handle; the separating pliers comprise a connecting rod, an elastic piece, an upper pliers jaw and a lower pliers jaw, the elastic piece is two elastic support legs, one end of each elastic support leg is connected with the upper pliers jaw and the lower pliers jaw respectively, the other end of each elastic support leg is connected with the connecting rod after being combined, the connecting rod is connected with the traction piece, each pliers jaw comprises a handle rod and a pliers jaw, the handle rod is connected with the elastic piece, the outer surface of one end of each handle rod, which is far away from the elastic piece, is provided with a first groove, and the upper surface and the lower surface of the connecting rod are provided with second grooves; the string bag includes wire rope circle and wire side, and the wire rope circle constitutes the circle form by a wire rope end to end fifty percent discount and twist knot each other, and the fifty percent discount point is equipped with the arc arch, and the buckle is in first recess, and the twist knot section is pegged graft in the second recess. The separating forceps are easy to operate, and the net bag is arranged on the separating forceps, so that the operation specimen can be taken out at one time.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a specimen separating forceps used in an operation.
Background
The tissue separating forceps are one of common surgical instruments, are of stainless steel multi-piece structures at present and are combined through a four-bar hinge mechanism, one end of the four-bar hinge mechanism is connected with a forceps holder, the other end of the four-bar hinge mechanism is connected with a handle through steel wire traction, and the handle pulls or releases the steel wire, so that the opening and closing of the forceps holder are controlled, and the functions of clamping, separating, hemostasis and the like of tissues are realized. Because the four-bar hinge structure is fine, the manufacturing process is complex, the production cost is increased, and the gap of the four-bar hinge structure is difficult to clean and disinfect after the four-bar hinge structure is used, so that the safety and the sanitation of the operation are affected. In addition, the thin four-bar linkage hinge mechanism is limited in stress and easy to damage after being used for a certain number of times, so that the use cost is improved, and the service life is shortened. In addition, the separating forceps are made of stainless steel materials, so that the separating forceps are poor in elasticity and free of stress adaptability, tissues are prone to being damaged due to uneven stress in the operation process, and operation risks are increased. Therefore, the separating forceps in the prior art have the problems of high production cost, high processing difficulty, difficult disinfection, easy damage, short service life, easy tissue damage and the like.
When various endoscopes are used for taking out some foreign bodies in the cavity of a human body in the treatment process, particularly for taking out excised tissues after tumor and polyp excision is carried out under the endoscope, a basket can be used for sleeving out originally, and claw-shaped forceps can be used for taking out originally. However, since tissues have different sizes and shapes, and are highly targeted, different foreign bodies are removed by different foreign body removing forceps, and it is difficult to remove a plurality of foreign bodies at a time by using the above two instruments.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides the specimen separating forceps in the operation, which are simple in structure and easy to operate, and meanwhile, the net bag is arranged on the separating forceps, so that the specimen in the operation can be taken out at one time, and the operation opening is reduced.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an intraoperative specimen separation forceps comprising:
the clamp comprises a body, a clamping seat, a fixed clamp handle, a movable clamp handle, a bridging cavity, a fixed knob, a working sleeve and a traction piece, wherein the fixed clamp handle is fixedly connected to the bottom of the clamping seat;
the separating pliers comprise a connecting rod, an elastic piece, an upper pliers jaw and a lower pliers jaw, wherein the upper pliers jaw and the lower pliers jaw are arranged in an up-down opposite mode, the elastic piece is two elastic support legs made of elastic materials, one ends of the two elastic support legs are respectively connected with the upper pliers jaw and the lower pliers jaw, the other ends of the two elastic support legs are combined and then connected with one end of the connecting rod, the connecting rod is arranged in the working sleeve along the axial direction of the working sleeve, the other end of the connecting rod is connected with the movable pliers handle through a traction piece, the pliers jaw comprises a handle rod and a pliers jaw, the pliers jaw is connected with the elastic piece through the handle rod, a first groove arranged along the radial direction of the handle rod is formed in the outer surface of one end, away from the elastic piece, of the handle rod, and a second groove arranged along the axial direction of the connecting rod are formed in the upper surface and the lower surface of the connecting rod;
the string bag, the string bag includes wire rope circle and wire side, the wire rope circle is by a wire rope end to end fifty percent discount and twist each other and constitute the circle form, the fifty percent discount point of wire rope circle is equipped with the arc arch, the protruding buckle of arc is in the first recess, the wire rope of the twist section of wire rope circle is pegged graft in the second recess.
Preferably, the method comprises the following steps: and one side of the clamping seat of the pliers, which is far away from the bridging cavity, is provided with an adjusting screw, and the adjusting screw is connected with the traction piece.
Preferably, the method comprises the following steps: and scale marks are arranged outside the working sleeve.
Preferably, the method comprises the following steps: a plurality of positioning bulges are axially arranged on the outer side surface of the elastic supporting leg of the elastic piece at intervals.
Preferably, the method comprises the following steps: the opposite face of tong claw is the working face, the front end of tong claw is round blunt form, be equipped with vertically and horizontally staggered's line on the working face, the line degree of depth is not more than 1 mm.
Preferably, the method comprises the following steps: the working surface of the clamp claw is coated with a hard alloy layer or a ceramic layer.
Preferably, the method comprises the following steps: the forceps holder is made of any one of medical stainless steel, titanium alloy, nickel-based alloy, chromium-nickel-iron alloy and ceramic.
The utility model relates to a pair of intraoperative specimen separating forceps, wherein an operator pulls a traction piece through a movable forceps handle, under the continuous action of external force, the traction piece drives an elastic piece to move into a working sleeve through a connecting rod, two elastic support legs of the elastic piece are driven to be relatively folded, so that an upper jaw and a lower jaw which are arranged at the front end of the elastic piece are relatively folded to be gradually in a closed state, a steel wire rope ring moves in the working sleeve along with the connecting rod, namely, the steel wire rope ring is transited from a twisted section to a middle section, and a string bag is tightened; after the external force disappears, the connecting rod drives the elastic piece to move towards the outside of the working sleeve and restore to the original position, the two elastic support legs of the elastic piece gradually open by means of the elasticity of the connecting rod, the forceps holder is driven to gradually open from closed, the steel wire rope ring is transited from the middle section to the twisting section in the working sleeve, and the net bag is unfolded, so that the whole structure is simple, and the operation is convenient; the elastic component produces great elastic deformation for can overcome local stress's difference when the claw is closed and keep the even contact and the atress of working face, make by the centre gripping tissue atress even, avoid causing the tissue damage, have better practicality, can adjust the flexible length of string bag simultaneously through the flexible of connecting rod, tighten up the string bag after aiming at the foreign matter, thereby take out the foreign matter from the stomach.
Drawings
FIG. 1 is a schematic structural diagram of an intraoperative specimen-separating forceps according to the present invention.
FIG. 2 is a schematic structural diagram of a separating forceps of an intraoperative specimen separating forceps according to the present invention.
FIG. 3 is a schematic diagram of the relative structure of the separating forceps and the net bag in the specimen separating forceps for operation.
FIG. 4 is a schematic view of the structure of a net bag in the forceps for separating the specimen in the operation.
FIG. 5 is a plan view of a first state of a wire rope loop of a net bag in the specimen-separating forceps for use in an operation according to the present invention.
FIG. 6 is a plan view showing a second state of a wire rope loop of a net bag of the specimen-separating forceps for use in an operation according to the present invention.
In the attached drawing, 11-a clamp seat, 12-a fixed clamp handle, 13-a movable clamp handle, 14-a bridging cavity, 15-a fixed knob, 16-a working sleeve, 17-a boosting rod, 18-a scale mark, 19-an adjusting screw, 21-a connecting rod, 22-an elastic piece, 23-an upper clamp, 24-a lower clamp, 25-a handle rod, 26-a clamp claw, 31-a steel wire rope ring, 311-an arc bulge, 312-a twisting section, 313-a middle section and 32-a net surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention discloses
An intraoperative specimen separation forceps comprising:
the clamp comprises a body, wherein the body comprises a clamp seat 11, a fixed clamp handle 12, a movable clamp handle 13, a bridging cavity 14, a fixed knob 15, a working sleeve 16 and a traction piece (not shown in the figure), the fixed clamp handle 12 is fixedly connected to the bottom of the clamp seat 11, the movable clamp handle 13 is hinged to the fixed clamp handle 12, one side of the clamp seat 11 is fixedly connected with the bridging cavity 14, one side of the bridging cavity 14 is movably connected with the fixed knob 15, one side of the fixed knob 15 is movably connected with the working sleeve 16, and the traction piece is positioned in the working sleeve 16 and connected with the movable clamp handle 13;
as shown in fig. 2, the separating forceps, which includes a connecting rod 21, an elastic member 22, an upper jaw 23 and a lower jaw 24, the upper jaw 23 and the lower jaw 24 are arranged oppositely up and down, the elastic member 22 is two elastic legs made of elastic material, one end of each of the two elastic legs is connected with the upper jaw 23 and the lower jaw 24 respectively, the other ends of the two elastic legs are combined and then connected with one end of the connecting rod 21, the connecting rod 21 is disposed within the working sleeve 16 in the axial direction of the working sleeve 16, the other end of the connecting rod 21 is connected with the movable clamp handle 13 through a traction piece, the clamp comprises a handle rod 25 and a clamp claw 26, the claw 26 is connected with the elastic part 22 through a handle 25, the outer surface of one end of the handle 25 far away from the elastic part 22 is provided with a first groove arranged along the radial direction of the handle, the upper surface and the lower surface of the connecting rod 21 are provided with second grooves (not shown) arranged along the axial direction of the connecting rod 21;
as shown in fig. 3 and 4, the string bag includes a wire rope ring 31 and a net surface 32, the wire rope ring 31 is formed into a ring shape by folding and twisting a wire rope end to end, an arc-shaped protrusion 311 is disposed at a folding point of the wire rope ring 31, the arc-shaped protrusion 311 is fastened in the first groove, the wire rope of a twisting section 312 of the wire rope ring 31 is inserted in the second groove, and a middle section 313 of the wire rope ring 31, which connects the arc-shaped protrusion 311 and the twisting section 312, is oval.
An operator pulls the traction piece through the movable clamp handle 13, under the continuous action of an external force, the traction piece drives the elastic piece 22 to move towards the working sleeve 16 through the connecting rod 21, two elastic support legs of the elastic piece 22 are driven to be relatively folded, so that the upper jaw 23 and the lower jaw 24 arranged at the front end of the elastic piece 22 are relatively folded and gradually in a closed state, the wire rope ring 31 moves in the working sleeve 16 along with the connecting rod 21, namely, the steel rope ring is transited from the twisting section 312 to the middle section 313, and as shown in fig. 6, a tuck net is tightened; after the external force disappears, the connecting rod 21 drives the elastic part 22 to move towards the outside of the working sleeve 16 and restore to the original position, the two elastic support legs of the elastic part 22 gradually open by means of the elasticity of the elastic part, the forceps holder is driven to gradually open from the closed state, the steel wire rope ring 31 is transited from the middle section 313 to the twisting section 312 in the working sleeve 16, as shown in fig. 5, the net bag is unfolded, the whole structure is simple, and the operation is convenient; elastic component 22 produces great elastic deformation for can overcome local stress's difference when the claw 26 is closed and keep the even contact and the atress of working face, make by the centre gripping tissue atress even, avoid causing the tissue damage, have better practicality, can adjust the flexible length of string bag simultaneously through the flexible of connecting rod 21, tighten up the string bag after aiming at the foreign matter, thereby take out the foreign matter from the stomach.
In this embodiment, the net surface 32 is made of nylon, and the edge of the net surface 32 is bonded and fixed to the wire rope loop 31 by liquid polyurethane, which has good biocompatibility, biological stability and biological durability.
The extending direction of the arc-shaped protrusion 311 is consistent with the retracting direction of the steel wire rope ring 31, so that the net bag can be conveniently retracted, and meanwhile, the foreign bodies can be conveniently shrunk and fixed.
The bottom of the fixed forceps handle 12 is provided with a power-assisted rod 17, and the power-assisted rod 17 can help the fixed forceps handle 12 to increase the operation force.
The working sleeve 16 is provided with graduation marks 18 on the outside. The depth of the patient body can be known in time through the scale marks 18, discomfort of the patient caused by excessive insertion is avoided, and direct data are provided for operation of medical staff, so that the operation is safer and more reliable.
A plurality of positioning protrusions (not shown) are axially arranged at intervals on the outer side surface of the elastic leg of the elastic element 22. The positioning bulge increases the friction force between the elastic support legs and the working sleeve 16, so that the opening angle of the forceps holder can be conveniently controlled and fixed, the hand fatigue of an operator can be relieved, and the operation of the operator can be facilitated.
The opposite face of tong claw 26 is the working face, the front end of tong claw 26 is round blunt form, be equipped with vertically and horizontally staggered's line on the working face, the line degree of depth is not more than 1 mm. The friction force between the tissue and the tissue is increased, and the separation is more convenient.
The working surfaces of the jaws 26 are coated with a hard alloy or ceramic layer. The wear resistance of the working surface of the jaw 26 is enhanced, and the service life is prolonged.
The forceps holder is made of any one of medical stainless steel, titanium alloy, nickel-based alloy, chromium-nickel-iron alloy and ceramic.
An adjusting screw 19 is arranged on one side of the clamping seat 11 far away from the bridging cavity 14, and the adjusting screw 19 is connected with the traction piece. In this embodiment, the traction member is a traction wire, the adjusting screw 19 can adjust the tightness of the traction wire, and the traction wire is suitable for surgical operation by adjustment, so that the success rate of the surgery is improved.
The utility model relates to a specimen separating forceps in operation, which has the working principle as follows:
an operator pulls the traction piece through the movable clamp handle 13, under the continuous action of external force, the traction piece drives the elastic piece 22 to move towards the working sleeve 16 through the connecting rod 21, two elastic support legs of the elastic piece 22 are driven to be relatively folded, so that the upper jaw 23 and the lower jaw 24 which are arranged at the front end of the elastic piece 22 are relatively folded and gradually in a closed state, the wire rope ring 31 moves in the working sleeve 16 along with the connecting rod 21, namely, the twisting section 312 is transited to the middle section 313, and a tuck net is tightened; after the external force disappears, the connecting rod 21 drives the elastic part 22 to move towards the outside of the working sleeve 16 and restore to the original position, the two elastic support legs of the elastic part 22 gradually open by means of the elasticity of the elastic part, the forceps holder is driven to gradually open from closed, the steel wire rope ring 31 is transited from the middle section 313 to the twisting section 312 in the working sleeve 16, and the net bag is unfolded, so that the whole structure is simple, and the operation is convenient; elastic component 22 produces great elastic deformation for can overcome local stress's difference when the claw 26 is closed and keep the even contact and the atress of working face, make by the centre gripping tissue atress even, avoid causing the tissue damage, have better practicality, can adjust the flexible length of string bag simultaneously through the flexible of connecting rod 21, tighten up the string bag after aiming at the foreign matter, thereby take out the foreign matter from the stomach.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (7)
1. An intraoperative specimen separation forceps, comprising:
the clamp comprises a body, a clamping seat, a fixed clamp handle, a movable clamp handle, a bridging cavity, a fixed knob, a working sleeve and a traction piece, wherein the fixed clamp handle is fixedly connected to the bottom of the clamping seat;
the separating pliers comprise a connecting rod, an elastic piece, an upper pliers jaw and a lower pliers jaw, wherein the upper pliers jaw and the lower pliers jaw are arranged in an up-down opposite mode, the elastic piece is two elastic support legs made of elastic materials, one ends of the two elastic support legs are respectively connected with the upper pliers jaw and the lower pliers jaw, the other ends of the two elastic support legs are combined and then connected with one end of the connecting rod, the connecting rod is arranged in the working sleeve along the axial direction of the working sleeve, the other end of the connecting rod is connected with the movable pliers handle through a traction piece, the pliers jaw comprises a handle rod and a pliers jaw, the pliers jaw is connected with the elastic piece through the handle rod, a first groove arranged along the radial direction of the handle rod is formed in the outer surface of one end, away from the elastic piece, of the handle rod, and a second groove arranged along the axial direction of the connecting rod are formed in the upper surface and the lower surface of the connecting rod;
the string bag, the string bag includes wire rope circle and wire side, the wire rope circle is by a wire rope end to end fifty percent discount and twist each other and constitute the circle form, the fifty percent discount point of wire rope circle is equipped with the arc arch, the protruding buckle of arc is in the first recess, the wire rope of the twist section of wire rope circle is pegged graft in the second recess.
2. The intraoperative specimen-separating forceps of claim 1, wherein: and one side of the clamping seat of the pliers, which is far away from the bridging cavity, is provided with an adjusting screw, and the adjusting screw is connected with the traction piece.
3. The intraoperative specimen-separating forceps of claim 1, wherein: and scale marks are arranged outside the working sleeve.
4. The intraoperative specimen-separating forceps of claim 1, wherein: a plurality of positioning bulges are axially arranged on the outer side surface of the elastic supporting leg of the elastic piece at intervals.
5. The intraoperative specimen-separating forceps of claim 1, wherein: the opposite face of tong claw is the working face, the front end of tong claw is round blunt form, be equipped with vertically and horizontally staggered's line on the working face, the line degree of depth is not more than 1 mm.
6. The intraoperative specimen-separating forceps of claim 5, wherein: the working surface of the clamp claw is coated with a hard alloy layer or a ceramic layer.
7. The intraoperative specimen-separating forceps of claim 1, wherein: the forceps holder is made of any one of medical stainless steel, titanium alloy, nickel-based alloy, chromium-nickel-iron alloy and ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245432.9U CN216221508U (en) | 2020-12-29 | 2020-12-29 | Specimen separation pincers in art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245432.9U CN216221508U (en) | 2020-12-29 | 2020-12-29 | Specimen separation pincers in art |
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| Publication Number | Publication Date |
|---|---|
| CN216221508U true CN216221508U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023245432.9U Active CN216221508U (en) | 2020-12-29 | 2020-12-29 | Specimen separation pincers in art |
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| CN (1) | CN216221508U (en) |
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- 2020-12-29 CN CN202023245432.9U patent/CN216221508U/en active Active
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